5 Commissioning
Installation manual
9
(A)RXP20~35M5V1B
R32 split series
3P519299-5B – 2018.12
4.6.1
Specifications of standard wiring
components
Component
Power supply cable Voltage
220~240 V
Phase
1~
Frequency
50 Hz
Wire sizes
MUST comply with
applicable legislation
Interconnection cable
(indoor↔outdoor)
4-core cable ≥1.5 mm² and
applicable for 220~240 V
Recommended field fuse
16 A
Earth leakage circuit breaker
MUST comply with
applicable legislation
4.6.2
To connect the electrical wiring on the
outdoor unit
1
Remove the service cover.
2
Open the wire clamp.
3
Connect the interconnection cable and power supply as follows:
a
Interconnection cable
b
Power supply cable
c
Circuit breaker
d
Earth leakage circuit breaker
e
Power supply
f
Earth
4
Tighten the terminal screws securely. We recommend using a
Phillips screwdriver.
4.7
Finishing the outdoor unit
installation
4.7.1
To finish the outdoor unit installation
1
Insulate and fix the refrigerant piping and interconnection cable
as follows:
f
b
a
e
d
c
a
Gas pipe
b
Gas pipe insulation
c
Interconnection cable
d
Liquid pipe
e
Liquid pipe insulation
f
Finishing tape
2
Install the service cover.
4.7.2
To close the outdoor unit
NOTICE
When closing the outdoor unit cover, make sure that the
tightening torque does NOT exceed 1.3 N•m.
1×
2
1
1
5
Commissioning
NOTICE
NEVER operate the unit without thermistors and/or
pressure sensors/switches. Burning of the compressor
might result.
5.1
Checklist before commissioning
After the installation of the unit, first check the following items. Once
all below checks are fulfilled, the unit MUST be closed, ONLY then
can the unit be powered up.
The
indoor unit
is properly mounted.
The
outdoor unit
is properly mounted.
The system is properly
earthed
and the earth terminals
are tightened.
The
power supply voltage
matches the voltage on the
identification label of the unit.
There are NO
loose connections
or damaged electrical
components in the switch box.
There are NO
damaged components
or
squeezed
pipes
on the inside of the indoor and outdoor units.
There are NO
refrigerant leaks
.
The
refrigerant pipes
(gas and liquid) are thermally
insulated.
The correct pipe size is installed and the
pipes
are
properly insulated.
The
stop valves
(gas and liquid) on the outdoor unit are
fully open.
The following
field wiring
has been carried out according
to this document and the applicable legislation between
the outdoor unit and the indoor unit.
Drainage
Make sure drainage flows smoothly.
Possible consequence:
Condensate water might drip.
The indoor unit receives the signals of the
user interface
.
The specified wires are used for the
interconnection
cable
.
The
fuses, circuit breakers,
or locally installed protection
devices are installed according to this document, and
have NOT been bypassed.
5.2
Checklist during commissioning
To perform an
air purge
.